2-(1-Naphthyl-5-(4-biphenylyl))-1,3,4-oxadiazole CAS 1248-45-9
| CAS No. | 1248-45-9 |
| Molecular Formula | C40H42N2O5 |
| Molecular Weight | 630.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO supplies 2-(1-Naphthyl-5-(4-biphenylyl))-1,3,4-oxadiazole (CAS 1248-45-9), a certified reference material (molecular formula C40H42N2O5, MW 630.77 g/mol) for analytical method development and quality control.
2-(1-Naphthyl-5-(4-biphenylyl))-1,3,4-oxadiazole (C40H42N2O5) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C40H42N2O5 |
| Molecular Weight | 630.77 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Naphthyl Standards
- 4,4′-Bis[(1-naphthyl)(4-styryl)amino][1,1′]biphenyl (CAS 1010396-31-2)
- (R)-2-(1-Naphthyl)-8-diphenylphosphino-1-[(S)-3,5-dioxa-4-phospha-cyclohepta[2,1-a;3,4-a']dinaphthalen-4-yl]-1,2-dihydroquinolinetolueneadduct (CAS 1204139-01-4)
- (S)-2-(1-Naphthyl)-8-diphenylphosphino-1-[(R)-3,5-dioxa-4-phospha-cyclohepta[2,1-a;3,4-a']dinaphthalen-4-yl]-1,2-dihydroquinoline toluene adduct (CAS 1242168-77-9)
- 2-Naphthyl 2-3-4-6-tetra-O-acetyl-β-D-glucopyranoside (CAS 14581-89-6)
- 2-Naphthyl 2-acetamido-3-4-6-tri-O-acetyl-2-deoxy-β-D-glucopyranoside (CAS 131531-80-1)
- 1,3,5-Tri(1-naphthyl)benzene (CAS 7059-70-3)
- Tri(1-naphthyl)phosphine 3411-48-1 P(1-NAP)3;TRI(1-NAPHTHYL)PHOSPHINE;TRIS(1-NAPHTHYL)PHOSPHINE SC11106 (CAS 3411-48-1)
- 5,10-Di(2-Naphthyl)-5,10-dihydrophenazine (CAS 1934269-97-2)
Recommended Standards
- 4,4''-Bi(9,9'-spirobi[fluorene]) (CAS 1161009-90-0)
- Sulfo-cyanine3 carboxylic acid, 95% (CAS 146368-13-0)
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- Gambogenic acid (CAS 173932-75-7)
- [S(R)]-N-[(R)-[4-(1,1-Dimethylethyl)phenyl][5-(diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]methyl]-2-methyl-2-propanesulfinamide (CAS 2160535-58-8)
- N1-(tert-butyl)-3-(trifluoromethyl)-1H-pyrazole-1-carboxamide (CAS 648427-18-3)
- 4'-(1,3-Dioxolan-2-yl)[1,1'-biphenyl]-4-carbonitrile (CAS 400744-45-8)
- 2-(2-cyclohexyl-4-methyl-6-oxo-1,6-dihydropyrimidin-5-yl)acetic acid (CAS 897006-87-0)
- 4-Hydrazinyl-1,5-naphthyridine (CAS 79425-96-0)
- (6-Fluorospiro[3.3]heptan-2-yl)methanesulfonyl chloride (CAS 2715119-94-9)
- 3-(2-methoxyethyl)morpholine (CAS 1386999-20-7)
- 5-Azaspiro[3.4]octane (CAS 52876-78-5)
- Iminobiotin HBr (CAS 76985-52-9)
- Insulin Degludec Impurity 28 (CAS CATO-C4X-215728)
Why CATO?
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